1. Signaling Pathways
  2. Neuronal Signaling
  3. Monoamine Oxidase

Monoamine Oxidase

MAO

Monoamine oxidases (MAO) are a family of enzymes that catalyze the oxidation of monoamines. They are found bound to the outer membrane of mitochondria in most cell types in the body. They belong to the protein family of flavin-containing amine oxidoreductases. Monoamine oxidases catalyze the oxidative deamination of monoamines. Oxygen is used to remove an amine group from a molecule, resulting in the corresponding aldehyde and ammonia. Monoamine oxidases contain the covalently bound cofactor FAD and are, thus, classified as flavoproteins. Because of the vital role that MAOs play in the inactivation of neurotransmitters, MAO dysfunction is thought to be responsible for a number of psychiatric and neurological disorders. MAO-A inhibitors act as antidepressant and antianxiety agents, whereas MAO-B inhibitors are used alone or in combination to treat Alzheimer’sand Parkinson’s diseases.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-70057
    Safinamide
    Inhibitor 99.89%
    Safinamide is a potent, selective, and reversible monoamine oxidase B (MAO-B) inhibitor (IC50=0.098 µM) over MAO-A (IC50=580 µM). Safinamide also blocks sodium channels and modulates glutamate (Glu) release, showing a greater affinity at depolarized (IC50=8 µM) than at resting (IC50=262 µM) potentials. Safinamide has neuroprotective and neurorescuing effects and can be used for the study of parkinson disease, ischemia stroke etc.al.
    Safinamide
  • HY-138625
    LOX-IN-3
    Inhibitor 99.97%
    LOX-IN-3 is an orally active lysyl oxidase (LOX) inhibitor. LOX-IN-3 can be used for fibrosis, cancer and angiogenesis research.
    LOX-IN-3
  • HY-107422
    Lenumlostat
    99.52%
    PAT-1251 is a potent, selective and oral lysyl oxidase-like 2 (LOXL2) inhibitor, with IC50s of 0.71 and 1.17 μM for hLOXL2 and hLOXL3, respectively, and also potently inhibits mouse, rat, and dog LOXL2 (IC50s, 0.10, 0.12, and 0.16 μM, respectively); PAT-1251 is used in the research of fibrotic diseases.
    Lenumlostat
  • HY-112726
    PXS-4728A
    Inhibitor 98.79%
    PXS-4728A (BI-1467335) is a selective, orally active inhibitor of semicarbazide-sensitive amine oxidase (SSAO). PXS-4728A ameliorates chronic obstructive pulmonary disease in mice.
    PXS-4728A
  • HY-114286A
    PXS-5153A monohydrochloride
    Inhibitor 99.67%
    PXS-5153A monohydrochloride is a potent, selective, orally active and fast-acting lysyl oxidase like 2/3 enzymatic (LOXL2/LOXL3) inhibitor, with an IC50 of <40 nM for LOXL2 across all mammalian species and an IC50 of 63 nM for human LOXL3. PXS-5153A monohydrochloride could reduce crosslinks and ameliorates fibrosis.
    PXS-5153A monohydrochloride
  • HY-112623
    Vafidemstat
    Inhibitor 99.53%
    Vafidemstat (ORY-2001) is an oral, brain penetrant, dual lysine-specific histone demethylase (LSD1)/MAO-B inhibitor.
    Vafidemstat
  • HY-B0886A
    Iproniazid
    Inhibitor 99.91%
    Iproniazid is a non-selective, irreversible monoamine oxidase (MAO) inhibitor of the hydrazine class. Iproniazid has antidepressive activity.
    Iproniazid
  • HY-14855B
    Tedizolid phosphate
    Inhibitor 99.65%
    Tedizolid phosphate (TR-701FA) is a MAO-A and MAO-B inhibitor with activity against Gram-positive bacteria.
    Tedizolid phosphate
  • HY-14605
    Rasagiline mesylate
    Inhibitor 99.77%
    Rasagiline (R-AGN1135) mesylate is a highly potent selective irreversible mitochondrial monoamine oxidase (MAO) inhibitor with IC50s of 4.43 nM and 412 nM for rat brain MAO B and A activity, respectively. Rasagiline (mesylate) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Rasagiline mesylate
  • HY-19915
    Contezolid
    Inhibitor 99.37%
    Contezolid (MRX-I), a new and orally active oxazolidinone, is an antibiotic in study for complicated skin and soft tissue infections (cSSTI) caused by resistant Gram-positive bacteria. Contezolid (MRX-I) markedly reduces potential for myelosuppression and monoamine oxidase inhibition (MAOI).
    Contezolid
  • HY-B1359
    Methylene blue trihydrate
    Inhibitor ≥98.0%
    Methylene blue trihydrate (C.I. Basic Blue 9 trihydrate) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue trihydrate is a vasopressor and is often used as a dye in several medical procedures. Methylene blue trihydrate has antinociception, antimalarial, antidepressant and anxiolytic activity effects. Methylene Blue trihydrate has the potential for methemoglobinemias, neurodegenerative disorders and ifosfamide-induced encephalopathytreatment.
    Methylene blue trihydrate
  • HY-13929
    Isocarboxazid
    Inhibitor 98.94%
    Isocarboxazid is a non-selective and irreversible inhibitor of monoamine oxidase, with an IC50 of 4.8 μM for rat brain monoamine oxidase in vitro.
    Isocarboxazid
  • HY-B1199
    Nialamide
    Inhibitor
    Nialamide is a non-selective, irreversible monoamine oxidase inhibitor (MAOI) of the hydrazine class that was used as an antidepressant.
    Nialamide
  • HY-P99047
    Simtuzumab
    Inhibitor
    Simtuzumab (AB 0024; GS 6624) is a monoclonal antibody directed against Lysyl oxidase like-2 (LOXL2). Simtuzumab can be used for the research of primary sclerosing cholangitis (PSC).
    Simtuzumab
  • HY-N0918
    Desmethoxyyangonin
    Inhibitor 99.47%
    Desmethoxyyangonin is one of the six major kavalactones found in the Piper methysticum (kava) plant; reversible inhibitor of MAO-B.
    Desmethoxyyangonin
  • HY-13779
    (E/Z)-J147
    Inhibitor 99.80%
    (E/Z)-J147 is an exceptionally potent, orally active, neuroprotective agent for cognitive enhancement. (E/Z)-J147 can readily pass the blood brain barrier (BBB). (E/Z)-J147 can inhibit monoamine oxidase B (MAO B) and the dopamine transporter with EC50 values of 1.88 μM and 0.649 μM, respectively. (E/Z)-J147 has potential for the treatment of Alzheimer’s disease (AD).
    (E/Z)-J147
  • HY-19333
    OG-L002
    Inhibitor 99.81%
    OG-L002 is a potent and highly selective LSD1 inhibitor with an IC50 of 0.02 μM. OG-L002 is a potent monoamine oxidases (MAO) inhibitor with IC50s of 1.38 μM and 0.72 μM for MAO-A and MAO-B, respectively. OG-L002 potently inhibits the expression of HSV IE genes.
    OG-L002
  • HY-16677A
    Mofegiline hydrochloride
    Inhibitor 99.57%
    Mofegiline hydrochloride (MDL72974A) is an orally active and selective enzyme-activated irreversible inhibitor of MAO-B, with marked selectivity on the MAO-B over MAO-A with IC50s of 3.6 nM (MAO-B) and 680 nM (MAO-A), respectively. Mofegiline hydrochloride is also an inhibitor of semicarbazide-sensitive amine oxidase (SSAO).
    Mofegiline hydrochloride
  • HY-W015490
    1,4-Naphthoquinone
    99.47%
    1,4-Naphthoquinone is a potential pharmacophore for inhibition of both MAO (monoamine oxidase) and DNA topoisomerase activities, this latter associated with antitumor activity.
    1,4-Naphthoquinone
  • HY-N7204
    4-Hydroxyderricin
    Inhibitor 99.97%
    4-Hydroxyderricin, the major active ingredients of Angelica keiskei Koidzumi, is an orally active, potent selective MAO-B (Monoamine oxidase inhibitors) inhibitor with an IC50 of 3.43 μM. 4-Hydroxyderricin also mildly inhibits dopamine β (DBH)-hydroxylase activity. 4-Hydroxyderricin has antidepressant activity, anti-allergic, anti-diabetic, anti-oxidant, and antitumor effects. 4-Hydroxyderricin promotes apoptosis and cell cycle arrest through regulating PI3K/AKT/mTOR pathway in hepatocellular cells. 4-Hydroxyderricin inhibits osteoclast formation and accelerates osteoblast differentiation. 4-Hydroxyderricin is promising for research of inflammatory diseases.
    4-Hydroxyderricin
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